1. Influence of hydrocarbon composition and geologic conditions of occurrence of West Siberian crudes on quality of products

   • M. A. Mkhchiyan
   • É. F. Kaminskii
   • G. I. Titkina

   Research Pages: 625 - 629

2. New crude oils from Caspian Depression

   • N. M. Zhmykhova
   • S. M. Krylova
   • V. P. Kolevatova

   Research Pages: 629 - 632

3. New crude oils from the Checheno-Ingush ASSR with high contents of hydrogen sulfide in the associated gas

   • V. A. Dorogochinskaya
   • É. D. Shul'zhenko
   • R. K. Khabibulina

   Research Pages: 632 - 634

4. Crude oil from the Novoportovsk field

   • S. M. Krylova
   • K. A. Demidenko
   • A. V. Dinkov

   Research Pages: 635 - 636

5. Determination of n-alkane content in middle and heavy distillates by gas chromatography

   • V. S. Fadeev
   • N. S. Shteingardt

   Research Pages: 637 - 638

6. Kinetics of oxidation of coke deposits on zeolitic cracking catalyst

   • B. Z. Solyar
   • B. M. Zhitomirskii
   • N. I. Terekhov

   Manufacturing Processes Pages: 639 - 644

7. Kinetics of resid hydrodesulfurization reactions

   • Abdul -Halim A. K. Mohammed
   • Abdulla A. A. Abbas
   • Abdul -Solam K. Al'-Maiya

   Manufacturing Processes Pages: 644 - 648

8. Colloidal stability of motor oil additive packages

   • V. L. Lashkhi
   • L. V. Borenko
   • O. B. Kopylova

   Chemmotology Pages: 649 - 653

9. Experience in use of lubricating oils in locomotive engine 5D 49

   • V. D. Reznikov
   • É. G. Sinaiskii
   • G. I. Ésaulova

   Chemmotology Pages: 654 - 657

10. Radioisotope method for investigation of antipitting properties of motor oils and additives

    • S. P. Avdeenko
    • Yu. S. Zaslavskii
    • A. I. Leonov

    Quality Evaluation Methods Pages: 658 - 660

11. Data bank for predicting properties of additives and quality of lubricating-cooling fluids

    • A. I. Chulok
    • V. V. Kafarov

    Quality Evaluation Methods Pages: 660 - 665

12. Commercial tests of cationic flocculant in flotation treatment of wastewater

    • V. P. Sokolov
    • L. A. Chikunova
    • V. A. Gustov

    Environmental Protection Pages: 666 - 669